?:authorAffiliation
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[\'Department of Public Health, University of the Punjab, Lahore 54590, Pakistan.\', \'Institute of Social and Cultural Studies, University of the Punjab, Lahore 54590, Pakistan.\', \'University of Okara, Okara 56300, Pakistan.\', \'Institute of Public Health, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany.\', \'Institute of Gerontological Health Services and Nursing Research, Ravensburg-Weingarten University of Applied Sciences, 88250 Weingarten, Germany.\']
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